summaryrefslogtreecommitdiffstats
path: root/arch/mips/include/asm/octeon/octeon.h
blob: f5d77b91537fc0b67558d2d444b46f527cc382f8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * Copyright (C) 2004-2008 Cavium Networks
 */
#ifndef __ASM_OCTEON_OCTEON_H
#define __ASM_OCTEON_OCTEON_H

#include <asm/octeon/cvmx.h>

extern uint64_t octeon_bootmem_alloc_range_phys(uint64_t size,
						uint64_t alignment,
						uint64_t min_addr,
						uint64_t max_addr,
						int do_locking);
extern void *octeon_bootmem_alloc(uint64_t size, uint64_t alignment,
				  int do_locking);
extern void *octeon_bootmem_alloc_range(uint64_t size, uint64_t alignment,
					uint64_t min_addr, uint64_t max_addr,
					int do_locking);
extern void *octeon_bootmem_alloc_named(uint64_t size, uint64_t alignment,
					char *name);
extern void *octeon_bootmem_alloc_named_range(uint64_t size, uint64_t min_addr,
					      uint64_t max_addr, uint64_t align,
					      char *name);
extern void *octeon_bootmem_alloc_named_address(uint64_t size, uint64_t address,
						char *name);
extern int octeon_bootmem_free_named(char *name);
extern void octeon_bootmem_lock(void);
extern void octeon_bootmem_unlock(void);

extern int octeon_is_simulation(void);
extern int octeon_is_pci_host(void);
extern int octeon_usb_is_ref_clk(void);
extern uint64_t octeon_get_clock_rate(void);
extern u64 octeon_get_io_clock_rate(void);
extern const char *octeon_board_type_string(void);
extern const char *octeon_get_pci_interrupts(void);
extern int octeon_get_southbridge_interrupt(void);
extern int octeon_get_boot_coremask(void);
extern int octeon_get_boot_num_arguments(void);
extern const char *octeon_get_boot_argument(int arg);
extern void octeon_hal_setup_reserved32(void);
extern void octeon_user_io_init(void);
struct octeon_cop2_state;
extern unsigned long octeon_crypto_enable(struct octeon_cop2_state *state);
extern void octeon_crypto_disable(struct octeon_cop2_state *state,
				  unsigned long flags);
extern asmlinkage void octeon_cop2_restore(struct octeon_cop2_state *task);

extern void octeon_init_cvmcount(void);
extern void octeon_setup_delays(void);
extern void octeon_io_clk_delay(unsigned long);

#define OCTEON_ARGV_MAX_ARGS	64
#define OCTOEN_SERIAL_LEN	20

struct octeon_boot_descriptor {
	/* Start of block referenced by assembly code - do not change! */
	uint32_t desc_version;
	uint32_t desc_size;
	uint64_t stack_top;
	uint64_t heap_base;
	uint64_t heap_end;
	/* Only used by bootloader */
	uint64_t entry_point;
	uint64_t desc_vaddr;
	/* End of This block referenced by assembly code - do not change! */
	uint32_t exception_base_addr;
	uint32_t stack_size;
	uint32_t heap_size;
	/* Argc count for application. */
	uint32_t argc;
	uint32_t argv[OCTEON_ARGV_MAX_ARGS];

#define	 BOOT_FLAG_INIT_CORE		(1 << 0)
#define	 OCTEON_BL_FLAG_DEBUG		(1 << 1)
#define	 OCTEON_BL_FLAG_NO_MAGIC	(1 << 2)
	/* If set, use uart1 for console */
#define	 OCTEON_BL_FLAG_CONSOLE_UART1	(1 << 3)
	/* If set, use PCI console */
#define	 OCTEON_BL_FLAG_CONSOLE_PCI	(1 << 4)
	/* Call exit on break on serial port */
#define	 OCTEON_BL_FLAG_BREAK		(1 << 5)

	uint32_t flags;
	uint32_t core_mask;
	/* DRAM size in megabyes. */
	uint32_t dram_size;
	/* physical address of free memory descriptor block. */
	uint32_t phy_mem_desc_addr;
	/* used to pass flags from app to debugger. */
	uint32_t debugger_flags_base_addr;
	/* CPU clock speed, in hz. */
	uint32_t eclock_hz;
	/* DRAM clock speed, in hz. */
	uint32_t dclock_hz;
	/* SPI4 clock in hz. */
	uint32_t spi_clock_hz;
	uint16_t board_type;
	uint8_t board_rev_major;
	uint8_t board_rev_minor;
	uint16_t chip_type;
	uint8_t chip_rev_major;
	uint8_t chip_rev_minor;
	char board_serial_number[OCTOEN_SERIAL_LEN];
	uint8_t mac_addr_base[6];
	uint8_t mac_addr_count;
	uint64_t cvmx_desc_vaddr;
};

union octeon_cvmemctl {
	uint64_t u64;
	struct {
		/* RO 1 = BIST fail, 0 = BIST pass */
		uint64_t tlbbist:1;
		/* RO 1 = BIST fail, 0 = BIST pass */
		uint64_t l1cbist:1;
		/* RO 1 = BIST fail, 0 = BIST pass */
		uint64_t l1dbist:1;
		/* RO 1 = BIST fail, 0 = BIST pass */
		uint64_t dcmbist:1;
		/* RO 1 = BIST fail, 0 = BIST pass */
		uint64_t ptgbist:1;
		/* RO 1 = BIST fail, 0 = BIST pass */
		uint64_t wbfbist:1;
		/* Reserved */
		uint64_t reserved:22;
		/* R/W If set, marked write-buffer entries time out
		 * the same as as other entries; if clear, marked
		 * write-buffer entries use the maximum timeout. */
		uint64_t dismarkwblongto:1;
		/* R/W If set, a merged store does not clear the
		 * write-buffer entry timeout state. */
		uint64_t dismrgclrwbto:1;
		/* R/W Two bits that are the MSBs of the resultant
		 * CVMSEG LM word location for an IOBDMA. The other 8
		 * bits come from the SCRADDR field of the IOBDMA. */
		uint64_t iobdmascrmsb:2;
		/* R/W If set, SYNCWS and SYNCS only order marked
		 * stores; if clear, SYNCWS and SYNCS only order
		 * unmarked stores. SYNCWSMARKED has no effect when
		 * DISSYNCWS is set. */
		uint64_t syncwsmarked:1;
		/* R/W If set, SYNCWS acts as SYNCW and SYNCS acts as
		 * SYNC. */
		uint64_t dissyncws:1;
		/* R/W If set, no stall happens on write buffer
		 * full. */
		uint64_t diswbfst:1;
		/* R/W If set (and SX set), supervisor-level
		 * loads/stores can use XKPHYS addresses with
		 * VA<48>==0 */
		uint64_t xkmemenas:1;
		/* R/W If set (and UX set), user-level loads/stores
		 * can use XKPHYS addresses with VA<48>==0 */
		uint64_t xkmemenau:1;
		/* R/W If set (and SX set), supervisor-level
		 * loads/stores can use XKPHYS addresses with
		 * VA<48>==1 */
		uint64_t xkioenas:1;
		/* R/W If set (and UX set), user-level loads/stores
		 * can use XKPHYS addresses with VA<48>==1 */
		uint64_t xkioenau:1;
		/* R/W If set, all stores act as SYNCW (NOMERGE must
		 * be set when this is set) RW, reset to 0. */
		uint64_t allsyncw:1;
		/* R/W If set, no stores merge, and all stores reach
		 * the coherent bus in order. */
		uint64_t nomerge:1;
		/* R/W Selects the bit in the counter used for DID
		 * time-outs 0 = 231, 1 = 230, 2 = 229, 3 =
		 * 214. Actual time-out is between 1x and 2x this
		 * interval. For example, with DIDTTO=3, expiration
		 * interval is between 16K and 32K. */
		uint64_t didtto:2;
		/* R/W If set, the (mem) CSR clock never turns off. */
		uint64_t csrckalwys:1;
		/* R/W If set, mclk never turns off. */
		uint64_t mclkalwys:1;
		/* R/W Selects the bit in the counter used for write
		 * buffer flush time-outs (WBFLT+11) is the bit
		 * position in an internal counter used to determine
		 * expiration. The write buffer expires between 1x and
		 * 2x this interval. For example, with WBFLT = 0, a
		 * write buffer expires between 2K and 4K cycles after
		 * the write buffer entry is allocated. */
		uint64_t wbfltime:3;
		/* R/W If set, do not put Istream in the L2 cache. */
		uint64_t istrnol2:1;
		/* R/W The write buffer threshold. */
		uint64_t wbthresh:4;
		/* Reserved */
		uint64_t reserved2:2;
		/* R/W If set, CVMSEG is available for loads/stores in
		 * kernel/debug mode. */
		uint64_t cvmsegenak:1;
		/* R/W If set, CVMSEG is available for loads/stores in
		 * supervisor mode. */
		uint64_t cvmsegenas:1;
		/* R/W If set, CVMSEG is available for loads/stores in
		 * user mode. */
		uint64_t cvmsegenau:1;
		/* R/W Size of local memory in cache blocks, 54 (6912
		 * bytes) is max legal value. */
		uint64_t lmemsz:6;
	} s;
};

extern void octeon_write_lcd(const char *s);
extern void octeon_check_cpu_bist(void);
extern int octeon_get_boot_debug_flag(void);
extern int octeon_get_boot_uart(void);

struct uart_port;
extern unsigned int octeon_serial_in(struct uart_port *, int);
extern void octeon_serial_out(struct uart_port *, int, int);

/**
 * Write a 32bit value to the Octeon NPI register space
 *
 * @address: Address to write to
 * @val:     Value to write
 */
static inline void octeon_npi_write32(uint64_t address, uint32_t val)
{
	cvmx_write64_uint32(address ^ 4, val);
	cvmx_read64_uint32(address ^ 4);
}


/**
 * Read a 32bit value from the Octeon NPI register space
 *
 * @address: Address to read
 * Returns The result
 */
static inline uint32_t octeon_npi_read32(uint64_t address)
{
	return cvmx_read64_uint32(address ^ 4);
}

extern struct cvmx_bootinfo *octeon_bootinfo;

extern uint64_t octeon_bootloader_entry_addr;

extern void (*octeon_irq_setup_secondary)(void);

typedef void (*octeon_irq_ip4_handler_t)(void);
void octeon_irq_set_ip4_handler(octeon_irq_ip4_handler_t);

extern void octeon_fixup_irqs(void);

#endif /* __ASM_OCTEON_OCTEON_H */
OpenPOWER on IntegriCloud